154314280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{124447}}^1$

素因数の和:124489

約数の個数: 32

約数和(自身を含む): 358410240

約数和(自身を除く): 204095960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 124447, 248894, 497788, 622235, 995576, 1244470, 2488940, 3857857, 4977880, 7715714, 15431428, 19289285, 30862856, 38578570, 77157140, 154314280]

約数ペア:

[(1, 154314280), (2, 77157140), (4, 38578570), (5, 30862856), (8, 19289285), (10, 15431428), (20, 7715714), (31, 4977880), (40, 3857857), (62, 2488940), (124, 1244470), (155, 995576), (248, 622235), (310, 497788), (620, 248894), (1240, 124447)]